Molecular Formula
|
C3H8O2
|
Chemical structure
|
CH3-O-CH2-O-CH3
|
Synonym
|
Dimethoxymethane (DMM)
|
CAS No
|
109-87-5
|
EINECS No
|
203-714-2
|
INCI name
|
Methylal
|
Chemical and Physical Properties:
Appearance
|
Colorless and transparent liquid
|
Odour
|
Chloroform-like pungent odour
|
Density
|
d20oC/4oC
|
0.860
|
d20oC/20oC
|
0.861
|
Melting Point (oC)
|
-104.8
|
Boiling Point (oC)
|
42.3
|
Dielectric Constant (25oC)
|
2.7
|
Flash Point (open up, oC)
|
-30.5
|
Explosion Limits (Vol %)
|
LEL: 2.2
|
UEL: 19.9
|
Solubility in Water
|
Slightly soluble in code water, 32.2g/100mL(16oC)
|
Commercial form:
|
First Grade
|
Superior Grade
|
Pure Grade
|
Anhydrous Grade
|
Cosmetic Grade
|
Appearance
|
Clear and transparent liquid
|
Methylal
|
≥85%
|
≥90%
|
≥99.5%
|
≥99.9%
|
≥99.999%
|
Methanol
|
≤15%
|
≤10%
|
≤0.5%
|
≤0.05%
|
≤10ppm
|
Water
|
≤0.2%
|
≤0.3%
|
≤0.05%
|
≤0.05%
|
≤10ppm
|
Packing: ISO tank, 17.5-19.6 MT
Drum, 160kg
Storage:Keep container tightly closed in a cool, well-ventilated place, protected from the sun. Keep away from food, drink and animal foodstuff. Open container slowly to safely vent pressure. Recommended maximum storage temperature is 37.8oC. Recommended maximum temperature during shipment is 65.5oC.
Applications:
Blowing agent for PU foams
Solvent for aerosols and pump sprays
Solvent for environmentally friendly paint strippers
Solvent for environmentally friendly paint thinner
Solvent for environmentally friendly pesticide
Solvent for cleaning and polishing chemicals
Cleaning agent for electronic elements
Production of ion exchange resins and polyacetal resins
Production of adhesives
Production of diesel additives
Classification: UN No.: 1234
Class: 3
PG: II